#B4B81E
Closest named color: Olive Yellow (#C2B709). oklch(75.5% 0.159 111.3), rgb(180, 184, 30).
Aa
Black text reads best on this color (9.81:1).
About this color
#B4B81E is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.159 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.019 away. Black text reads best on it, at 9.81:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 9.81:1 |
| White text | 2.13:1 |
Values
| HEX | #B4B81E |
| RGB | rgb(180, 184, 30) |
| HSL | hsl(62, 72%, 42%) |
| OKLCH | oklch(75.5% 0.159 111.3) |
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 #B4B81E | 2.13:1 | Fails | Lc -46.5 | Large or bold text, headings |
| Black text on #B4B81E | 9.81:1 | AAA | Lc 62.1 | Content text, not long reading |
| #B4B81E text on white | 2.13:1 | Fails | Lc 41.8 | Non-text elements, placeholder text |
| #B4B81E text on black | 9.81:1 | AAA | Lc -60.4 | 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 400.
-
Step 50
50
#F5F6EC
oklch(97% 0.013 111.3)
-
Step 100
100
#EAECD6
oklch(93.6% 0.029 111.2)
-
Step 200
200
#DADDB4
oklch(88.5% 0.054 110.9)
-
Step 300
300
#C3C77A
oklch(80.9% 0.1 111)
-
Step 400
400 (this color)
#B4B81E
oklch(75.5% 0.159 111.3)
-
Step 500
500
#8D9000
oklch(63% 0.139 111.3)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#B4B81E 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) | #C7AF00 | 0.033 |
| Deuteranopia (no green cones) | #C8B32E | 0.035 |
| Tritanopia (no blue cones) | #C1AC9D | 0.143 |
| Achromatopsia (no color) | #B1B1B1 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B81E
#B4B81E
oklch(75.5% 0.159 111.3)
- #B19FFF
#B19FFF
oklch(75.6% 0.136 291.4)
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 #B4B81E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.019
- Mustard Green #A8B504 ΔE 0.021
- Pea #A4BF20 ΔE 0.027
- Muddy Yellow #BFAC05 ΔE 0.032
- Bright Olive #9CBB04 ΔE 0.036
- Mustard #CEB301 ΔE 0.038
- Light Olive Green #A4BE5C ΔE 0.041
- Mustard Yellow #D2BD0A ΔE 0.047
Use #B4B81E 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.