#B5B045
Closest named color: Muddy Yellow (#BFAC05). oklch(74.1% 0.128 106.6), rgb(181, 176, 69).
Aa
Black text reads best on this color (9.26:1).
About this color
#B5B045 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.128 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.028 away. Black text reads best on it, at 9.26:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #B5B045 |
| RGB | rgb(181, 176, 69) |
| HSL | hsl(57, 45%, 49%) |
| OKLCH | oklch(74.1% 0.128 106.6) |
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 #B5B045 | 2.26:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #B5B045 | 9.26:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #B5B045 text on white | 2.26:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #B5B045 text on black | 9.26:1 | AAA | Lc -57.5 | 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
#EBEBDA
oklch(93.5% 0.023 106.8)
-
Step 200
200
#DCDCBA
oklch(88.6% 0.045 107.3)
-
Step 300
300
#C6C588
oklch(81% 0.08 107.3)
-
Step 400
400 (this color)
#B5B045
oklch(74.1% 0.128 106.6)
-
Step 500
500
#948E00
oklch(63.1% 0.135 106.7)
-
Step 600
600
#7C7700
oklch(55.6% 0.119 106.8)
-
Step 700
700
#686400
oklch(49.1% 0.105 107)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#B5B045 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) | #BEAA38 | 0.018 |
| Deuteranopia (no green cones) | #C0AE4B | 0.019 |
| Tritanopia (no blue cones) | #C1A599 | 0.115 |
| Achromatopsia (no color) | #ACACAC | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5B045
#B5B045
oklch(74.1% 0.128 106.6)
- #A59EF8
#A59EF8
oklch(74.1% 0.128 286.4)
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 #B5B045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.028
- Light Olive Green #A4BE5C ΔE 0.039
- Dark Khaki #BDB76B ΔE 0.040
- Olive Yellow #C2B709 ΔE 0.041
- Light Olive #ACBF69 ΔE 0.043
- Mustard Green #A8B504 ΔE 0.044
- Mustard #CEB301 ΔE 0.045
- Tan Green #A9BE70 ΔE 0.046
Use #B5B045 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.