#C59F09
Closest named color: Ocre (#C69C04). oklch(71.7% 0.145 91.3), rgb(197, 159, 9).
Aa
Black text reads best on this color (8.33:1).
About this color
#C59F09 is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.145 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Ocre (#C69C04), ΔE 0.007 away. Black text reads best on it, at 8.33:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Ocre (#C69C04) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #C59F09 |
| RGB | rgb(197, 159, 9) |
| HSL | hsl(48, 91%, 40%) |
| OKLCH | oklch(71.7% 0.145 91.3) |
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 #C59F09 | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #C59F09 | 8.33:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #C59F09 text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #C59F09 text on black | 8.33:1 | AAA | Lc -52.8 | 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
#F8F5ED
oklch(97% 0.011 89.7)
-
Step 100
100
#F0EAD7
oklch(93.7% 0.026 92.4)
-
Step 200
200
#E5D9B4
oklch(88.6% 0.051 92.2)
-
Step 300
300
#D6BF7B
oklch(80.9% 0.091 91.5)
-
Step 400
400 (this color)
#C59F09
oklch(71.7% 0.145 91.3)
-
Step 500
500
#A68500
oklch(63% 0.129 91.2)
-
Step 600
600
#8C7000
oklch(55.6% 0.114 91.4)
-
Step 700
700
#765E00
oklch(49.2% 0.101 91.4)
-
Step 800
800
#614C00
oklch(42.6% 0.087 90.4)
-
Step 900
900
#513F00
oklch(37.6% 0.077 90.4)
-
Step 950
950
#302500
oklch(26.9% 0.055 91.9)
#C59F09 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) | #B39D00 | 0.030 |
| Deuteranopia (no green cones) | #BCA81B | 0.025 |
| Tritanopia (no blue cones) | #D69087 | 0.132 |
| Achromatopsia (no color) | #A3A3A3 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C59F09
#C59F09
oklch(71.7% 0.145 91.3)
- #839CFE
#839CFE
oklch(71.6% 0.146 271.5)
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 #C59F09, closest first.
No curated palette has a color within ΔE 0.04 of #C59F09.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocre #C69C04 ΔE 0.007
- Yellow Ochre #CB9D06 ΔE 0.010
- Ocher #BF9B0C ΔE 0.015
- Muddy Yellow #BFAC05 ΔE 0.035
- Yellow Brown #B79400 ΔE 0.038
- Brown Yellow #B29705 ΔE 0.039
- Goldenrod #DAA520 ΔE 0.040
- Dark Gold #B59410 ΔE 0.040
Use #C59F09 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.