#B59809
Closest named color: Brown Yellow (#B29705). oklch(68.6% 0.139 95.1), rgb(181, 152, 9).
Aa
Black text reads best on this color (7.45:1).
About this color
#B59809 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 69%, its chroma 0.139 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.006 away. Black text reads best on it, at 7.45:1.
| Hue family | Yellows |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #B59809 |
| RGB | rgb(181, 152, 9) |
| HSL | hsl(50, 91%, 37%) |
| OKLCH | oklch(68.6% 0.139 95.1) |
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 #B59809 | 2.81:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #B59809 | 7.45:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #B59809 text on white | 2.81:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #B59809 text on black | 7.45:1 | AAA | Lc -47.9 | 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
#F8F6ED
oklch(97.2% 0.012 96.4)
-
Step 100
100
#EFEAD8
oklch(93.6% 0.024 94.1)
-
Step 200
200
#E3D9B6
oklch(88.4% 0.048 93.9)
-
Step 300
300
#D2C17F
oklch(81% 0.087 95.4)
-
Step 400
400 (this color)
#B59809
oklch(68.6% 0.139 95.1)
-
Step 500
500
#A28800
oklch(63.2% 0.13 95.4)
-
Step 600
600
#887200
oklch(55.6% 0.114 95.6)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#B59809 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) | #AA9500 | 0.020 |
| Deuteranopia (no green cones) | #B19E1B | 0.015 |
| Tritanopia (no blue cones) | #C58B81 | 0.127 |
| Achromatopsia (no color) | #9A9A9A | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B59809
#B59809
oklch(68.6% 0.139 95.1)
- #8291EF
#8291EF
oklch(68.5% 0.139 275.3)
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 #B59809, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.006
- Yellow Brown #B79400 ΔE 0.010
- Dark Gold #B59410 ΔE 0.011
- Ocher #BF9B0C ΔE 0.019
- Ochre #BF9005 ΔE 0.025
- Ocre #C69C04 ΔE 0.030
- Yellowy Brown #AE8B0C ΔE 0.037
- Yellow Ochre #CB9D06 ΔE 0.039
Use #B59809 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.