#BBAF37
Closest named color: Muddy Yellow (#BFAC05). oklch(74.3% 0.137 103.5), rgb(187, 175, 55).
Aa
Black text reads best on this color (9.30:1).
About this color
#BBAF37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.137 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.018 away. Black text reads best on it, at 9.30:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.30:1 |
| White text | 2.25:1 |
Values
| HEX | #BBAF37 |
| RGB | rgb(187, 175, 55) |
| HSL | hsl(55, 55%, 47%) |
| OKLCH | oklch(74.3% 0.137 103.5) |
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 #BBAF37 | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #BBAF37 | 9.30:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #BBAF37 text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #BBAF37 text on black | 9.30:1 | 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
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#ECEBD8
oklch(93.6% 0.025 104.4)
-
Step 200
200
#DEDBB7
oklch(88.5% 0.048 103.4)
-
Step 300
300
#CAC482
oklch(81% 0.086 103.7)
-
Step 400
400 (this color)
#BBAF37
oklch(74.3% 0.137 103.5)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807600
oklch(55.7% 0.117 103.6)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2700
oklch(26.9% 0.057 103.7)
#BBAF37 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) | #BFA924 | 0.016 |
| Deuteranopia (no green cones) | #C3AF3F | 0.014 |
| Tritanopia (no blue cones) | #C9A397 | 0.125 |
| Achromatopsia (no color) | #ACACAC | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBAF37
#BBAF37
oklch(74.3% 0.137 103.5)
- #A19FFF
#A19FFF
oklch(74.3% 0.137 283.5)
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 #BBAF37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.018
- Olive Yellow #C2B709 ΔE 0.033
- Mustard #CEB301 ΔE 0.035
- Burnt Yellow #D5AB09 ΔE 0.039
- Mustard Green #A8B504 ΔE 0.042
- Dark Khaki #BDB76B ΔE 0.046
- Light Olive Green #A4BE5C ΔE 0.047
- Dark Yellow #D5B60A ΔE 0.047
Use #BBAF37 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.