#C5AA09
Closest named color: Muddy Yellow (#BFAC05). oklch(73.9% 0.151 97.5), rgb(197, 170, 9).
Aa
Black text reads best on this color (9.12:1).
About this color
#C5AA09 is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.151 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.011 away. Black text reads best on it, at 9.12:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #C5AA09 |
| RGB | rgb(197, 170, 9) |
| HSL | hsl(51, 91%, 40%) |
| OKLCH | oklch(73.9% 0.151 97.5) |
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 #C5AA09 | 2.30:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #C5AA09 | 9.12:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #C5AA09 text on white | 2.30:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #C5AA09 text on black | 9.12:1 | AAA | Lc -56.9 | 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
#F8F6EC
oklch(97.2% 0.013 97.4)
-
Step 100
100
#EFEAD6
oklch(93.6% 0.027 95.4)
-
Step 200
200
#E2DAB3
oklch(88.5% 0.052 97.7)
-
Step 300
300
#D1C179
oklch(80.8% 0.094 97.2)
-
Step 400
400 (this color)
#C5AA09
oklch(73.9% 0.151 97.5)
-
Step 500
500
#9F8900
oklch(63.1% 0.13 97.8)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#C5AA09 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) | #BDA600 | 0.017 |
| Deuteranopia (no green cones) | #C4AF1E | 0.012 |
| Tritanopia (no blue cones) | #D69C91 | 0.139 |
| Achromatopsia (no color) | #ABABAB | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5AA09
#C5AA09
oklch(73.9% 0.151 97.5)
- #96A1FF
#96A1FF
oklch(73.9% 0.136 277.4)
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 #C5AA09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.011
- Burnt Yellow #D5AB09 ΔE 0.026
- Mustard #CEB301 ΔE 0.028
- Olive Yellow #C2B709 ΔE 0.034
- Yellow Ochre #CB9D06 ΔE 0.034
- Ocre #C69C04 ΔE 0.036
- Goldenrod #DAA520 ΔE 0.037
- Ocher #BF9B0C ΔE 0.041
Use #C5AA09 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.