#BBB557
Closest named color: Dark Khaki (#BDB76B). oklch(75.9% 0.117 105.5), rgb(187, 181, 87).
Aa
Black text reads best on this color (9.86:1).
About this color
#BBB557 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 76%, its chroma 0.117 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Khaki (#BDB76B), ΔE 0.021 away. Black text reads best on it, at 9.86:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Dark Khaki (#BDB76B) |
| Black text | 9.86:1 |
| White text | 2.12:1 |
Values
| HEX | #BBB557 |
| RGB | rgb(187, 181, 87) |
| HSL | hsl(56, 42%, 54%) |
| OKLCH | oklch(75.9% 0.117 105.5) |
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 #BBB557 | 2.12:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #BBB557 | 9.86:1 | AAA | Lc 62.2 | Content text, not long reading |
| #BBB557 text on white | 2.12:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #BBB557 text on black | 9.86:1 | AAA | Lc -60.5 | 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 300.
-
Step 50
50
#F7F6EA
oklch(97.1% 0.016 102.8)
-
Step 100
100
#ECECD2
oklch(93.6% 0.034 107)
-
Step 200
200
#DFDCAB
oklch(88.5% 0.064 104.7)
-
Step 300
300 (this color)
#BBB557
oklch(75.9% 0.117 105.5)
-
Step 400
400
#AEA500
oklch(70.7% 0.151 105.7)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7D7600
oklch(55.4% 0.118 105.5)
-
Step 700
700
#696300
oklch(49% 0.104 105.5)
-
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
#2B2800
oklch(27.1% 0.058 105.3)
#BBB557 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) | #C2AF4E | 0.017 |
| Deuteranopia (no green cones) | #C5B45C | 0.017 |
| Tritanopia (no blue cones) | #C7ABA0 | 0.105 |
| Achromatopsia (no color) | #B2B2B2 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBB557
#BBB557
oklch(75.9% 0.117 105.5)
- #AAA6F8
#AAA6F8
oklch(76% 0.117 285.5)
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 #BBB557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Khaki #BDB76B ΔE 0.021
- Light Olive #ACBF69 ΔE 0.030
- Tan Green #A9BE70 ΔE 0.033
- Desert #CCAD60 ΔE 0.036
- Light Olive Green #A4BE5C ΔE 0.037
- Muddy Yellow #BFAC05 ΔE 0.043
- Olive Yellow #C2B709 ΔE 0.045
- Mustard #CEB301 ΔE 0.046
Use #BBB557 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.