#B7B040
Closest named color: Muddy Yellow (#BFAC05). oklch(74.2% 0.132 105.7), rgb(183, 176, 64).
Aa
Black text reads best on this color (9.29:1).
About this color
#B7B040 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.132 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.024 away. Black text reads best on it, at 9.29:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.29:1 |
| White text | 2.25:1 |
Values
| HEX | #B7B040 |
| RGB | rgb(183, 176, 64) |
| HSL | hsl(56, 48%, 48%) |
| OKLCH | oklch(74.2% 0.132 105.7) |
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 #B7B040 | 2.25:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #B7B040 | 9.29:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #B7B040 text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #B7B040 text on black | 9.29:1 | AAA | Lc -57.7 | 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
#ECEBD9
oklch(93.6% 0.024 104.3)
-
Step 200
200
#DDDCB9
oklch(88.6% 0.046 106)
-
Step 300
300
#C7C486
oklch(80.8% 0.081 105.7)
-
Step 400
400 (this color)
#B7B040
oklch(74.2% 0.132 105.7)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7D7700
oklch(55.7% 0.119 106.2)
-
Step 700
700
#696400
oklch(49.2% 0.105 106.3)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484400
oklch(37.8% 0.081 105.9)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#B7B040 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) | #BFAA31 | 0.018 |
| Deuteranopia (no green cones) | #C1AF47 | 0.017 |
| Tritanopia (no blue cones) | #C4A599 | 0.119 |
| Achromatopsia (no color) | #ACACAC | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7B040
#B7B040
oklch(74.2% 0.132 105.7)
- #A49EFB
#A49EFB
oklch(74.2% 0.133 285.6)
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 #B7B040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.024
- Olive Yellow #C2B709 ΔE 0.037
- Mustard #CEB301 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.041
- Mustard Green #A8B504 ΔE 0.042
- Dark Khaki #BDB76B ΔE 0.042
- Light Olive #ACBF69 ΔE 0.045
- Burnt Yellow #D5AB09 ΔE 0.046
Use #B7B040 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.