#A9C53E
Closest named color: Pea (#A4BF20). oklch(77.7% 0.16 120.4), rgb(169, 197, 62).
Aa
Black text reads best on this color (10.74:1).
About this color
#A9C53E is a medium-light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.160 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.022 away. Black text reads best on it, at 10.74:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.74:1 |
| White text | 1.95:1 |
Values
| HEX | #A9C53E |
| RGB | rgb(169, 197, 62) |
| HSL | hsl(72, 54%, 51%) |
| OKLCH | oklch(77.7% 0.16 120.4) |
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 #A9C53E | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #A9C53E | 10.74:1 | AAA | Lc 66.4 | Content text, not long reading |
| #A9C53E text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #A9C53E text on black | 10.74:1 | AAA | Lc -65.0 | 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
#F3F8E8
oklch(97.1% 0.022 121)
-
Step 100
100
#E5EFCD
oklch(93.6% 0.046 120.6)
-
Step 200
200
#D1E3A0
oklch(88.6% 0.09 120.5)
-
Step 300
300 (this color)
#A9C53E
oklch(77.7% 0.16 120.4)
-
Step 400
400
#93AF00
oklch(70.7% 0.169 120.5)
-
Step 500
500
#7E9600
oklch(63.2% 0.151 120.4)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485700
oklch(42.9% 0.102 120.5)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#A9C53E 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) | #D1BA29 | 0.058 |
| Deuteranopia (no green cones) | #CEBA49 | 0.061 |
| Tritanopia (no blue cones) | #B2BBAA | 0.135 |
| Achromatopsia (no color) | #B9B9B9 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C53E
#A9C53E
oklch(77.7% 0.16 120.4)
- #C4A2FF
#C4A2FF
oklch(77.7% 0.134 300.1)
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 #A9C53E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.022
- Yellow Green #9ACD32 ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.036
- Bright Olive #9CBB04 ΔE 0.039
- Slime Green #99CC04 ΔE 0.040
- Mustard Green #A8B504 ΔE 0.043
- Olive Yellow #C2B709 ΔE 0.045
- Light Olive #ACBF69 ΔE 0.047
Use #A9C53E 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.