#B4B451
Closest named color: Light Olive Green (#A4BE5C). oklch(75% 0.122 109), rgb(180, 180, 81).
Aa
Black text reads best on this color (9.58:1).
About this color
#B4B451 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.122 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.031 away. Black text reads best on it, at 9.58:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #B4B451 |
| RGB | rgb(180, 180, 81) |
| HSL | hsl(60, 40%, 51%) |
| OKLCH | oklch(75% 0.122 109) |
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 #B4B451 | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #B4B451 | 9.58:1 | AAA | Lc 60.9 | Content text, not long reading |
| #B4B451 text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #B4B451 text on black | 9.58:1 | AAA | Lc -59.2 | 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
#F6F6EE
oklch(97.1% 0.011 106.6)
-
Step 100
100
#EBEBDB
oklch(93.6% 0.021 106.8)
-
Step 200
200
#DBDCBC
oklch(88.5% 0.043 108.7)
-
Step 300
300
#C4C58C
oklch(80.9% 0.075 108.8)
-
Step 400
400 (this color)
#B4B451
oklch(75% 0.122 109)
-
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)
#B4B451 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) | #C1AD47 | 0.024 |
| Deuteranopia (no green cones) | #C2B156 | 0.023 |
| Tritanopia (no blue cones) | #BFAA9E | 0.109 |
| Achromatopsia (no color) | #AFAFAF | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4B451
#B4B451
oklch(75% 0.122 109)
- #ACA0F6
#ACA0F6
oklch(74.9% 0.122 289.5)
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 #B4B451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.031
- Dark Khaki #BDB76B ΔE 0.031
- Light Olive #ACBF69 ΔE 0.031
- Tan Green #A9BE70 ΔE 0.034
- Muddy Yellow #BFAC05 ΔE 0.038
- Olive Yellow #C2B709 ΔE 0.043
- Desert #CCAD60 ΔE 0.046
- Mustard #CEB301 ΔE 0.048
Use #B4B451 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.