#B1990B
Closest named color: Brown Yellow (#B29705). oklch(68.4% 0.139 97.7), rgb(177, 153, 11).
Aa
Black text reads best on this color (7.43:1).
About this color
#B1990B is a medium-light, moderately saturated yellow. In OKLCH its lightness is 68%, its chroma 0.139 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.005 away. Black text reads best on it, at 7.43:1.
| Hue family | Yellows |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #B1990B |
| RGB | rgb(177, 153, 11) |
| HSL | hsl(51, 88%, 37%) |
| OKLCH | oklch(68.4% 0.139 97.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B1990B | 2.82:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #B1990B | 7.43:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #B1990B text on white | 2.82:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #B1990B text on black | 7.43:1 | AAA | Lc -47.8 | 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.
-
Step 50
50
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#EEEAD8
oklch(93.5% 0.024 96.6)
-
Step 200
200
#E1DAB6
oklch(88.5% 0.048 98.2)
-
Step 300
300
#CFC27F
oklch(80.9% 0.088 98.6)
-
Step 400
400 (this color)
#B1990B
oklch(68.4% 0.139 97.7)
-
Step 500
500
#9F8900
oklch(63.1% 0.13 97.8)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#706000
oklch(49% 0.101 97.8)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#B1990B 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AA9500 | 0.016 |
| Deuteranopia (no green cones) | #B09D1C | 0.010 |
| Tritanopia (no blue cones) | #C08C82 | 0.128 |
| Achromatopsia (no color) | #9A9A9A | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1990B
#B1990B
oklch(68.4% 0.139 97.7)
- #868FEE
#868FEE
oklch(68.4% 0.139 277.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B1990B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.005
- Dark Gold #B59410 ΔE 0.015
- Yellow Brown #B79400 ΔE 0.015
- Ocher #BF9B0C ΔE 0.024
- Ochre #BF9005 ΔE 0.031
- Ocre #C69C04 ΔE 0.035
- Yellowy Brown #AE8B0C ΔE 0.038
- Yellow Ochre #CB9D06 ΔE 0.044
Use #B1990B 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.