#B9B833
Closest named color: Olive Yellow (#C2B709). oklch(76% 0.148 109), rgb(185, 184, 51).
Aa
Black text reads best on this color (9.96:1).
About this color
#B9B833 is a medium-light, vivid yellow. In OKLCH its lightness is 76%, its chroma 0.148 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.017 away. Black text reads best on it, at 9.96:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 9.96:1 |
| White text | 2.10:1 |
Values
| HEX | #B9B833 |
| RGB | rgb(185, 184, 51) |
| HSL | hsl(60, 57%, 46%) |
| OKLCH | oklch(76% 0.148 109) |
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 #B9B833 | 2.10:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #B9B833 | 9.96:1 | AAA | Lc 62.8 | Content text, not long reading |
| #B9B833 text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #B9B833 text on black | 9.96:1 | AAA | Lc -61.1 | 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
#F6F7E8
oklch(97.1% 0.02 109.9)
-
Step 100
100
#ECEDCC
oklch(93.7% 0.043 108.6)
-
Step 200
200
#DDDE9F
oklch(88.5% 0.082 108.7)
-
Step 300
300 (this color)
#B9B833
oklch(76% 0.148 109)
-
Step 400
400
#A9A700
oklch(70.7% 0.153 108.9)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#535200
oklch(42.6% 0.092 108.9)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B9B833 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) | #C7B019 | 0.026 |
| Deuteranopia (no green cones) | #C9B53D | 0.027 |
| Tritanopia (no blue cones) | #C6AC9E | 0.133 |
| Achromatopsia (no color) | #B3B3B3 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9B833
#B9B833
oklch(76% 0.148 109)
- #AFA2FF
#AFA2FF
oklch(76% 0.132 289.3)
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 #B9B833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.017
- Muddy Yellow #BFAC05 ΔE 0.030
- Mustard #CEB301 ΔE 0.031
- Mustard Green #A8B504 ΔE 0.033
- Light Olive Green #A4BE5C ΔE 0.037
- Pea #A4BF20 ΔE 0.038
- Dark Yellow #D5B60A ΔE 0.040
- Mustard Yellow #D2BD0A ΔE 0.041
Use #B9B833 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.