#CBD537
Closest named color: Mustard Yellow (#D2BD0A). oklch(83.9% 0.171 113.2), rgb(203, 213, 55).
Aa
Black text reads best on this color (13.11:1).
About this color
#CBD537 is a light, vivid yellow. In OKLCH its lightness is 84%, its chroma 0.171 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 0.059 away. Black text reads best on it, at 13.11:1.
| Hue family | Yellows |
| Lightness | light (84%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 13.11:1 |
| White text | 1.60:1 |
Values
| HEX | #CBD537 |
| RGB | rgb(203, 213, 55) |
| HSL | hsl(64, 65%, 53%) |
| OKLCH | oklch(83.9% 0.171 113.2) |
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 #CBD537 | 1.60:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #CBD537 | 13.11:1 | AAA | Lc 76.8 | Fine for body text |
| #CBD537 text on white | 1.60:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #CBD537 text on black | 13.11:1 | AAA | Lc -76.0 | Fine for body text |
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
#F5F7E6
oklch(97% 0.022 112.3)
-
Step 100
100
#E9EEC9
oklch(93.6% 0.049 113.6)
-
Step 200
200
#D9E097
oklch(88.4% 0.094 112.8)
-
Step 300
300 (this color)
#CBD537
oklch(83.9% 0.171 113.2)
-
Step 400
400
#A2AA00
oklch(70.8% 0.158 113.1)
-
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
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#CBD537 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) | #E5CB12 | 0.040 |
| Deuteranopia (no green cones) | #E5CE44 | 0.043 |
| Tritanopia (no blue cones) | #D9C8B7 | 0.152 |
| Achromatopsia (no color) | #CCCCCC | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBD537
#CBD537
oklch(83.9% 0.171 113.2)
- #CCC0FF
#CCC0FF
oklch(83.9% 0.088 293.1)
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 #CBD537, closest first.
No curated palette has a color within ΔE 0.04 of #CBD537.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.059
- Greenish Beige #C9D179 ΔE 0.059
- Dull Yellow #EEDC5B ΔE 0.061
- Pale Olive Green #B1D27B ΔE 0.064
- Maize #F4D054 ΔE 0.067
- Yellow Green #9ACD32 ΔE 0.069
- Greenish Tan #BCCB7A ΔE 0.071
- Gold #FFD700 ΔE 0.074
Use #CBD537 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.