#ACC13B
Closest named color: Pea (#A4BF20). oklch(77% 0.157 118), rgb(172, 193, 59).
Aa
Black text reads best on this color (10.44:1).
About this color
#ACC13B is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.157 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.020 away. Black text reads best on it, at 10.44:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.44:1 |
| White text | 2.01:1 |
Values
| HEX | #ACC13B |
| RGB | rgb(172, 193, 59) |
| HSL | hsl(69, 53%, 49%) |
| OKLCH | oklch(77% 0.157 118) |
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 #ACC13B | 2.01:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #ACC13B | 10.44:1 | AAA | Lc 65.1 | Content text, not long reading |
| #ACC13B text on white | 2.01:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #ACC13B text on black | 10.44:1 | AAA | Lc -63.5 | 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
#F4F8E8
oklch(97.2% 0.021 118.2)
-
Step 100
100
#E7EFCD
oklch(93.7% 0.046 118)
-
Step 200
200
#D4E2A0
oklch(88.6% 0.087 118)
-
Step 300
300 (this color)
#ACC13B
oklch(77% 0.157 118)
-
Step 400
400
#98AD00
oklch(70.6% 0.165 118.1)
-
Step 500
500
#829400
oklch(63% 0.147 118)
-
Step 600
600
#6D7D00
oklch(55.7% 0.13 118.3)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4B5600
oklch(42.8% 0.1 117.9)
-
Step 900
900
#3E4700
oklch(37.7% 0.087 117.6)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#ACC13B 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) | #CEB725 | 0.050 |
| Deuteranopia (no green cones) | #CCB746 | 0.054 |
| Tritanopia (no blue cones) | #B6B6A7 | 0.136 |
| Achromatopsia (no color) | #B7B7B7 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC13B
#ACC13B
oklch(77% 0.157 118)
- #BFA1FF
#BFA1FF
oklch(77.1% 0.134 297.9)
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 #ACC13B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.020
- Light Olive Green #A4BE5C ΔE 0.031
- Mustard Green #A8B504 ΔE 0.035
- Bright Olive #9CBB04 ΔE 0.036
- Olive Yellow #C2B709 ΔE 0.036
- Yellow Green #9ACD32 ΔE 0.040
- Light Olive #ACBF69 ΔE 0.043
- Slime Green #99CC04 ΔE 0.048
Use #ACC13B 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.