#ABD321
Closest named color: Yellow Green (#9ACD32). oklch(80.9% 0.19 122.7), rgb(171, 211, 33).
Aa
Black text reads best on this color (12.07:1).
About this color
#ABD321 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.190 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.028 away. Black text reads best on it, at 12.07:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.07:1 |
| White text | 1.73:1 |
Values
| HEX | #ABD321 |
| RGB | rgb(171, 211, 33) |
| HSL | hsl(73, 73%, 48%) |
| OKLCH | oklch(80.9% 0.19 122.7) |
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 #ABD321 | 1.73:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #ABD321 | 12.07:1 | AAA | Lc 72.4 | Content text, not long reading |
| #ABD321 text on white | 1.73:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #ABD321 text on black | 12.07:1 | AAA | Lc -71.3 | 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
#F2F9E6
oklch(97.2% 0.026 123.4)
-
Step 100
100
#E3F0C8
oklch(93.5% 0.054 122.1)
-
Step 200
200
#CCE596
oklch(88.5% 0.106 122.8)
-
Step 300
300 (this color)
#ABD321
oklch(80.9% 0.19 122.7)
-
Step 400
400
#8EB000
oklch(70.6% 0.172 122.4)
-
Step 500
500
#799700
oklch(63% 0.154 122.6)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#ABD321 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) | #E0C500 | 0.077 |
| Deuteranopia (no green cones) | #DBC437 | 0.078 |
| Tritanopia (no blue cones) | #B4C8B4 | 0.158 |
| Achromatopsia (no color) | #C4C4C4 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ABD321
#ABD321
oklch(80.9% 0.19 122.7)
- #CFAEFF
#CFAEFF
oklch(80.8% 0.117 302.6)
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 #ABD321, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.028
- Slime Green #99CC04 ΔE 0.032
- Kiwi Green #8EE53F ΔE 0.051
- Pea #A4BF20 ΔE 0.055
- Apple Green #76CD26 ΔE 0.063
- Fresh Green #69D84F ΔE 0.064
- Bright Olive #9CBB04 ΔE 0.069
- Kiwi #9CEF43 ΔE 0.071
Use #ABD321 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.