#C7CA18
Closest named color: Mustard Yellow (#D2BD0A). oklch(81% 0.174 110.8), rgb(199, 202, 24).
Aa
Black text reads best on this color (11.88:1).
About this color
#C7CA18 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.174 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.035 away. Black text reads best on it, at 11.88:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #C7CA18 |
| RGB | rgb(199, 202, 24) |
| HSL | hsl(61, 79%, 44%) |
| OKLCH | oklch(81% 0.174 110.8) |
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 #C7CA18 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #C7CA18 | 11.88:1 | AAA | Lc 71.6 | Content text, not long reading |
| #C7CA18 text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #C7CA18 text on black | 11.88:1 | AAA | Lc -70.5 | 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
#F6F7E6
oklch(97.1% 0.022 109.5)
-
Step 100
100
#EBEEC7
oklch(93.7% 0.051 111)
-
Step 200
200
#DCE094
oklch(88.6% 0.097 110.8)
-
Step 300
300 (this color)
#C7CA18
oklch(81% 0.174 110.8)
-
Step 400
400
#A6A800
oklch(70.6% 0.155 110.6)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#C7CA18 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) | #DBC100 | 0.034 |
| Deuteranopia (no green cones) | #DCC52E | 0.036 |
| Tritanopia (no blue cones) | #D6BDAC | 0.155 |
| Achromatopsia (no color) | #C3C3C3 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7CA18
#C7CA18
oklch(81% 0.174 110.8)
- #C1B5FF
#C1B5FF
oklch(81% 0.104 291.3)
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 #C7CA18, closest first.
No curated palette has a color within ΔE 0.04 of #C7CA18.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.035
- Olive Yellow #C2B709 ΔE 0.050
- Dark Yellow #D5B60A ΔE 0.053
- Yellow Green #9ACD32 ΔE 0.056
- Pea #A4BF20 ΔE 0.058
- Mustard #CEB301 ΔE 0.058
- Slime Green #99CC04 ΔE 0.061
- Greenish Beige #C9D179 ΔE 0.067
Use #C7CA18 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.