#B5B429
Closest named color: Olive Yellow (#C2B709). oklch(74.7% 0.151 109.1), rgb(181, 180, 41).
Aa
Black text reads best on this color (9.52:1).
About this color
#B5B429 is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.151 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.023 away. Black text reads best on it, at 9.52:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #B5B429 |
| RGB | rgb(181, 180, 41) |
| HSL | hsl(60, 63%, 44%) |
| OKLCH | oklch(74.7% 0.151 109.1) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B5B429 | 2.20:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #B5B429 | 9.52:1 | AAA | Lc 60.7 | Content text, not long reading |
| #B5B429 text on white | 2.20:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #B5B429 text on black | 9.52:1 | AAA | Lc -58.9 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EBECD7
oklch(93.7% 0.028 109.1)
-
Step 200
200
#DBDDB5
oklch(88.6% 0.053 109.8)
-
Step 300
300
#C5C67D
oklch(80.9% 0.095 109)
-
Step 400
400 (this color)
#B5B429
oklch(74.7% 0.151 109.1)
-
Step 500
500
#908F00
oklch(63% 0.137 109.3)
-
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)
#B5B429 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) | #C3AC00 | 0.026 |
| Deuteranopia (no green cones) | #C5B135 | 0.027 |
| Tritanopia (no blue cones) | #C2A89A | 0.135 |
| Achromatopsia (no color) | #AFAFAF | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B429
#B5B429
oklch(74.7% 0.151 109.1)
- #AB9DFF
#AB9DFF
oklch(74.7% 0.139 289.1)
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 #B5B429, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.023
- Muddy Yellow #BFAC05 ΔE 0.023
- Mustard Green #A8B504 ΔE 0.024
- Mustard #CEB301 ΔE 0.036
- Pea #A4BF20 ΔE 0.038
- Light Olive Green #A4BE5C ΔE 0.040
- Bright Olive #9CBB04 ΔE 0.043
- Dark Yellow #D5B60A ΔE 0.048
Use #B5B429 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.