#B59B18
Closest named color: Brown Yellow (#B29705). oklch(69.2% 0.137 96.5), rgb(181, 155, 24).
Aa
Black text reads best on this color (7.66:1).
About this color
#B59B18 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 69%, its chroma 0.137 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.012 away. Black text reads best on it, at 7.66:1.
| Hue family | Yellows |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.66:1 |
| White text | 2.73:1 |
Values
| HEX | #B59B18 |
| RGB | rgb(181, 155, 24) |
| HSL | hsl(50, 77%, 40%) |
| OKLCH | oklch(69.2% 0.137 96.5) |
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 #B59B18 | 2.73:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #B59B18 | 7.66:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #B59B18 text on white | 2.73:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #B59B18 text on black | 7.66:1 | AAA | Lc -49.1 | 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
#EEEAD8
oklch(93.5% 0.024 96.6)
-
Step 200
200
#E2DAB6
oklch(88.6% 0.048 96.9)
-
Step 300
300
#D0C180
oklch(80.8% 0.086 96.7)
-
Step 400
400 (this color)
#B59B18
oklch(69.2% 0.137 96.5)
-
Step 500
500
#A18800
oklch(63.1% 0.13 96)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#B59B18 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) | #AC9700 | 0.020 |
| Deuteranopia (no green cones) | #B3A024 | 0.013 |
| Tritanopia (no blue cones) | #C48E84 | 0.126 |
| Achromatopsia (no color) | #9C9C9C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B59B18
#B59B18
oklch(69.2% 0.137 96.5)
- #8693F0
#8693F0
oklch(69.3% 0.137 276.2)
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 #B59B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.012
- Ocher #BF9B0C ΔE 0.016
- Yellow Brown #B79400 ΔE 0.017
- Dark Gold #B59410 ΔE 0.018
- Ocre #C69C04 ΔE 0.027
- Ochre #BF9005 ΔE 0.030
- Yellow Ochre #CB9D06 ΔE 0.036
- Yellowy Brown #AE8B0C ΔE 0.044
Use #B59B18 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.