#99D444
Closest named color: Yellow Green (#9ACD32). oklch(80.2% 0.182 129.1), rgb(153, 212, 68).
Aa
Black text reads best on this color (11.85:1).
About this color
#99D444 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.182 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.019 away. Black text reads best on it, at 11.85:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.85:1 |
| White text | 1.77:1 |
Values
| HEX | #99D444 |
| RGB | rgb(153, 212, 68) |
| HSL | hsl(85, 63%, 55%) |
| OKLCH | oklch(80.2% 0.182 129.1) |
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 #99D444 | 1.77:1 | Fails | Lc -36.4 | Non-text elements, placeholder text |
| Black text on #99D444 | 11.85:1 | AAA | Lc 71.5 | Content text, not long reading |
| #99D444 text on white | 1.77:1 | Fails | Lc 32.4 | Non-text elements, placeholder text |
| #99D444 text on black | 11.85:1 | AAA | Lc -70.3 | 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
#F0F9E8
oklch(97.1% 0.024 129.9)
-
Step 100
100
#DFF1CC
oklch(93.5% 0.052 128.6)
-
Step 200
200
#C4E79F
oklch(88.5% 0.102 129.3)
-
Step 300
300 (this color)
#99D444
oklch(80.2% 0.182 129.1)
-
Step 400
400
#7BB500
oklch(70.6% 0.187 129)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#99D444 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) | #DEC52F | 0.093 |
| Deuteranopia (no green cones) | #D6C150 | 0.095 |
| Tritanopia (no blue cones) | #9DCBB7 | 0.142 |
| Achromatopsia (no color) | #C3C3C3 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D444
#99D444
oklch(80.2% 0.182 129.1)
- #D7A6FF
#D7A6FF
oklch(80.2% 0.132 308.9)
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 #99D444, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.019
- Slime Green #99CC04 ΔE 0.029
- Fresh Green #69D84F ΔE 0.044
- Kiwi Green #8EE53F ΔE 0.047
- Apple Green #76CD26 ΔE 0.049
- Pea #A4BF20 ΔE 0.054
- Apple #6ECB3C ΔE 0.054
- Toxic Green #61DE2A ΔE 0.063
Use #99D444 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.