#B9B73F
Closest named color: Olive Yellow (#C2B709). oklch(75.9% 0.139 108.4), rgb(185, 183, 63).
Aa
Black text reads best on this color (9.90:1).
About this color
#B9B73F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 76%, its chroma 0.139 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.024 away. Black text reads best on it, at 9.90:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 9.90:1 |
| White text | 2.11:1 |
Values
| HEX | #B9B73F |
| RGB | rgb(185, 183, 63) |
| HSL | hsl(59, 49%, 49%) |
| OKLCH | oklch(75.9% 0.139 108.4) |
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 #B9B73F | 2.11:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #B9B73F | 9.90:1 | AAA | Lc 62.5 | Content text, not long reading |
| #B9B73F text on white | 2.11:1 | Fails | Lc 41.4 | Non-text elements, placeholder text |
| #B9B73F text on black | 9.90:1 | AAA | Lc -60.8 | Content text, not long reading |
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 300.
-
Step 50
50
#F6F7E9
oklch(97.2% 0.018 110.1)
-
Step 100
100
#ECECCE
oklch(93.5% 0.039 107.1)
-
Step 200
200
#DDDEA2
oklch(88.5% 0.078 108.7)
-
Step 300
300 (this color)
#B9B73F
oklch(75.9% 0.139 108.4)
-
Step 400
400
#AAA700
oklch(70.8% 0.153 108.5)
-
Step 500
500
#928F00
oklch(63.2% 0.136 108.3)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#676500
oklch(49.2% 0.106 108.4)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B9B73F 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) | #C6B02E | 0.023 |
| Deuteranopia (no green cones) | #C8B447 | 0.026 |
| Tritanopia (no blue cones) | #C6AC9F | 0.126 |
| Achromatopsia (no color) | #B2B2B2 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9B73F
#B9B73F
oklch(75.9% 0.139 108.4)
- #ADA2FF
#ADA2FF
oklch(75.8% 0.132 288.3)
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 #B9B73F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.024
- Muddy Yellow #BFAC05 ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.033
- Mustard #CEB301 ΔE 0.033
- Light Olive #ACBF69 ΔE 0.037
- Mustard Green #A8B504 ΔE 0.038
- Dark Yellow #D5B60A ΔE 0.042
- Dark Khaki #BDB76B ΔE 0.043
Use #B9B73F 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.