#CCBF51
Closest named color: Mustard Yellow (#D2BD0A). oklch(79.4% 0.131 102.6), rgb(204, 191, 81).
Aa
Black text reads best on this color (11.13:1).
About this color
#CCBF51 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.131 and its hue 103°. 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 11.13:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.13:1 |
| White text | 1.88:1 |
Values
| HEX | #CCBF51 |
| RGB | rgb(204, 191, 81) |
| HSL | hsl(54, 55%, 56%) |
| OKLCH | oklch(79.4% 0.131 102.6) |
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 #CCBF51 | 1.88:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #CCBF51 | 11.13:1 | AAA | Lc 68.2 | Content text, not long reading |
| #CCBF51 text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #CCBF51 text on black | 11.13:1 | AAA | Lc -66.8 | 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
#F7F6E9
oklch(97% 0.017 103.1)
-
Step 100
100
#EEEBCF
oklch(93.5% 0.037 102.1)
-
Step 200
200
#E2DCA4
oklch(88.6% 0.073 102.6)
-
Step 300
300 (this color)
#CCBF51
oklch(79.4% 0.131 102.6)
-
Step 400
400
#B3A300
oklch(70.7% 0.148 102.4)
-
Step 500
500
#998C00
oklch(63.2% 0.133 102.9)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4300
oklch(37.8% 0.079 102.7)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#CCBF51 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) | #CFB945 | 0.015 |
| Deuteranopia (no green cones) | #D3BF57 | 0.012 |
| Tritanopia (no blue cones) | #DAB3A7 | 0.119 |
| Achromatopsia (no color) | #BDBDBD | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CCBF51
#CCBF51
oklch(79.4% 0.131 102.6)
- #B1B3FF
#B1B3FF
oklch(79.3% 0.107 282.5)
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 #CCBF51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.033
- Dark Yellow #D5B60A ΔE 0.035
- Mustard #CEB301 ΔE 0.040
- Dark Khaki #BDB76B ΔE 0.043
- Olive Yellow #C2B709 ΔE 0.043
- Greenish Tan #BCCB7A ΔE 0.043
- Light Olive #ACBF69 ΔE 0.046
- Greenish Beige #C9D179 ΔE 0.050
Use #CCBF51 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.