#C1CB45
Closest named color: Mustard Yellow (#D2BD0A). oklch(81% 0.154 113.5), rgb(193, 203, 69).
Aa
Black text reads best on this color (11.89:1).
About this color
#C1CB45 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.154 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.040 away. Black text reads best on it, at 11.89:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.89:1 |
| White text | 1.76:1 |
Values
| HEX | #C1CB45 |
| RGB | rgb(193, 203, 69) |
| HSL | hsl(64, 56%, 53%) |
| OKLCH | oklch(81% 0.154 113.5) |
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 #C1CB45 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #C1CB45 | 11.89:1 | AAA | Lc 71.6 | Content text, not long reading |
| #C1CB45 text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #C1CB45 text on black | 11.89:1 | AAA | Lc -70.4 | 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
#F5F7E8
oklch(97.1% 0.02 112.9)
-
Step 100
100
#E9EECC
oklch(93.6% 0.045 114.1)
-
Step 200
200
#D8E09E
oklch(88.5% 0.086 113.8)
-
Step 300
300 (this color)
#C1CB45
oklch(81% 0.154 113.5)
-
Step 400
400
#A1AA00
oklch(70.7% 0.158 113.5)
-
Step 500
500
#8A9200
oklch(63.2% 0.142 113.6)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#C1CB45 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) | #DAC232 | 0.038 |
| Deuteranopia (no green cones) | #D9C44E | 0.040 |
| Tritanopia (no blue cones) | #CDBFB0 | 0.137 |
| Achromatopsia (no color) | #C3C3C3 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1CB45
#C1CB45
oklch(81% 0.154 113.5)
- #C4B4FF
#C4B4FF
oklch(81% 0.106 293.7)
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 #C1CB45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.040
- Pale Olive Green #B1D27B ΔE 0.047
- Greenish Tan #BCCB7A ΔE 0.049
- Greenish Beige #C9D179 ΔE 0.049
- Olive Yellow #C2B709 ΔE 0.051
- Light Moss Green #A6C875 ΔE 0.054
- Yellow Green #9ACD32 ΔE 0.055
- Dark Yellow #D5B60A ΔE 0.055
Use #C1CB45 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.