#C5C034
Closest named color: Mustard Yellow (#D2BD0A). oklch(78.8% 0.153 107.4), rgb(197, 192, 52).
Aa
Black text reads best on this color (10.96:1).
About this color
#C5C034 is a light, vivid yellow. In OKLCH its lightness is 79%, its chroma 0.153 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.020 away. Black text reads best on it, at 10.96:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 10.96:1 |
| White text | 1.91:1 |
Values
| HEX | #C5C034 |
| RGB | rgb(197, 192, 52) |
| HSL | hsl(58, 58%, 49%) |
| OKLCH | oklch(78.8% 0.153 107.4) |
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 #C5C034 | 1.91:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #C5C034 | 10.96:1 | AAA | Lc 67.4 | Content text, not long reading |
| #C5C034 text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #C5C034 text on black | 10.96:1 | AAA | Lc -66.0 | 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
#F7F7E7
oklch(97.2% 0.021 106.8)
-
Step 100
100
#ECEDCB
oklch(93.7% 0.045 108.6)
-
Step 200
200
#DFDE9C
oklch(88.6% 0.085 107.3)
-
Step 300
300 (this color)
#C5C034
oklch(78.8% 0.153 107.4)
-
Step 400
400
#ACA600
oklch(70.7% 0.152 107.1)
-
Step 500
500
#938E00
oklch(63.1% 0.135 107.2)
-
Step 600
600
#7B7700
oklch(55.5% 0.119 107.4)
-
Step 700
700
#686400
oklch(49.1% 0.105 107)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#C5C034 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) | #D0B817 | 0.023 |
| Deuteranopia (no green cones) | #D3BE3F | 0.024 |
| Tritanopia (no blue cones) | #D3B3A5 | 0.139 |
| Achromatopsia (no color) | #BBBBBB | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5C034
#C5C034
oklch(78.8% 0.153 107.4)
- #B5AEFF
#B5AEFF
oklch(78.7% 0.114 287.4)
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 #C5C034, closest first.
No curated palette has a color within ΔE 0.04 of #C5C034.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.020
- Olive Yellow #C2B709 ΔE 0.026
- Dark Yellow #D5B60A ΔE 0.031
- Mustard #CEB301 ΔE 0.033
- Pea #A4BF20 ΔE 0.049
- Light Olive Green #A4BE5C ΔE 0.051
- Light Olive #ACBF69 ΔE 0.051
- Muddy Yellow #BFAC05 ΔE 0.053
Use #C5C034 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.