#B99B01

Closest named color: Ocher (#BF9B0C). oklch(69.6% 0.143 95.1), rgb(185, 155, 1).

Aa

Black text reads best on this color (7.75:1).

About this color

#B99B01 is a medium-light, vivid yellow. In OKLCH its lightness is 70%, its chroma 0.143 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.010 away. Black text reads best on it, at 7.75:1.

Hue familyYellows
Lightnessmedium-light (70%)
Chromavivid (0.143)
Temperaturewarm
Nearest nameOcher (#BF9B0C)
Black text7.75:1
White text2.70:1

Values

HEX#B99B01
RGBrgb(185, 155, 1)
HSLhsl(50, 99%, 36%)
OKLCHoklch(69.6% 0.143 95.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #B99B01 2.70:1 Fails Lc -57.5 Large or bold text, headings
Black text on #B99B01 7.75:1 AAA Lc 51.7 Large or bold text, headings
#B99B01 text on white 2.70:1 Fails Lc 52.3 Large or bold text, headings
#B99B01 text on black 7.75:1 AAA Lc -49.6 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #F8F6ED

    oklch(97.2% 0.012 96.4)

  2. Step 100

    100

    #EFEAD7

    oklch(93.6% 0.026 94.7)

  3. Step 200

    200

    #E3D9B5

    oklch(88.4% 0.049 94.3)

  4. Step 300

    300

    #D2C17D

    oklch(81% 0.09 95.8)

  5. Step 400

    400 (this color)

    #B99B01

    oklch(69.6% 0.143 95.1)

  6. Step 500

    500

    #A28800

    oklch(63.2% 0.13 95.4)

  7. Step 600

    600

    #887200

    oklch(55.6% 0.114 95.6)

  8. Step 700

    700

    #735F00

    oklch(49.1% 0.101 94.6)

  9. Step 800

    800

    #5E4E00

    oklch(42.8% 0.088 95.4)

  10. Step 900

    900

    #4E4100

    oklch(37.8% 0.078 96.2)

  11. Step 950

    950

    #2F2600

    oklch(27.1% 0.056 95.5)

Export this scale for Tailwind in the Tailwind colors tool

#B99B01 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#AD98000.021
Deuteranopia (no green cones)#B5A1170.015
Tritanopia (no blue cones)#C98D840.132
Achromatopsia (no color)#9D9D9D0.143

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #B99B01

    #B99B01

    oklch(69.6% 0.143 95.1)

  • #8494F5

    #8494F5

    oklch(69.6% 0.143 275)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B99B01

    #B99B01

    oklch(69.6% 0.143 95.1)

  • #D98827

    #D98827

    oklch(69.6% 0.143 65)

  • #89AC3E

    #89AC3E

    oklch(69.6% 0.143 125)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #B99B01

    #B99B01

    oklch(69.6% 0.143 95.1)

  • #42A4EF

    #42A4EF

    oklch(69.5% 0.143 245.3)

  • #B284E4

    #B284E4

    oklch(69.6% 0.144 305)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B99B01

    #B99B01

    oklch(69.6% 0.143 95.1)

  • #00B0CD

    #00B0CD

    oklch(69.7% 0.123 215.1)

  • #D279C0

    #D279C0

    oklch(69.6% 0.142 334.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B99B01

    #B99B01

    oklch(69.6% 0.143 95.1)

  • #00B5A7

    #00B5A7

    oklch(69.5% 0.122 185.1)

  • #8494F5

    #8494F5

    oklch(69.6% 0.143 275)

  • #E57491

    #E57491

    oklch(69.6% 0.143 5.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B99B01, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #B99B01 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.