#CFC550
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.9% 0.137 104.4), rgb(207, 197, 80).
Aa
Black text reads best on this color (11.75:1).
About this color
#CFC550 is a light, moderately saturated yellow. In OKLCH its lightness is 81%, its chroma 0.137 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.033 away. Black text reads best on it, at 11.75:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #CFC550 |
| RGB | rgb(207, 197, 80) |
| HSL | hsl(55, 57%, 56%) |
| OKLCH | oklch(80.9% 0.137 104.4) |
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 #CFC550 | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #CFC550 | 11.75:1 | AAA | Lc 70.9 | Content text, not long reading |
| #CFC550 text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #CFC550 text on black | 11.75:1 | AAA | Lc -69.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F7F6E8
oklch(97% 0.018 103.4)
-
Step 100
100
#EEECCE
oklch(93.7% 0.04 104)
-
Step 200
200
#E1DCA2
oklch(88.5% 0.075 103.7)
-
Step 300
300 (this color)
#CFC550
oklch(80.9% 0.137 104.4)
-
Step 400
400
#B0A400
oklch(70.6% 0.149 104.3)
-
Step 500
500
#978D00
oklch(63.2% 0.134 104.6)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#575100
oklch(42.7% 0.09 104.7)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2700
oklch(26.9% 0.057 103.7)
#CFC550 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) | #D5BF42 | 0.016 |
| Deuteranopia (no green cones) | #D9C457 | 0.017 |
| Tritanopia (no blue cones) | #DDB9AC | 0.124 |
| Achromatopsia (no color) | #C2C2C2 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFC550
#CFC550
oklch(80.9% 0.137 104.4)
- #B9B8FF
#B9B8FF
oklch(80.9% 0.1 284.6)
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 #CFC550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.033
- Greenish Beige #C9D179 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.042
- Dark Yellow #D5B60A ΔE 0.042
- Sand #E2CA76 ΔE 0.049
- Pale Olive #B9CC81 ΔE 0.049
- Saffron #E9C46A ΔE 0.049
- Mustard #CEB301 ΔE 0.050
Use #CFC550 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.