#99DF78
Closest named color: Light Green (#90EE90). oklch(83.4% 0.153 136.4), rgb(153, 223, 120).
Aa
Black text reads best on this color (13.18:1).
About this color
#99DF78 is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.153 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.040 away. Black text reads best on it, at 13.18:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.18:1 |
| White text | 1.59:1 |
Values
| HEX | #99DF78 |
| RGB | rgb(153, 223, 120) |
| HSL | hsl(101, 62%, 67%) |
| OKLCH | oklch(83.4% 0.153 136.4) |
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 #99DF78 | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #99DF78 | 13.18:1 | AAA | Lc 77.1 | Fine for body text |
| #99DF78 text on white | 1.59:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #99DF78 text on black | 13.18:1 | AAA | Lc -76.3 | Fine for body text |
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
#EFF9EB
oklch(97.1% 0.021 136.6)
-
Step 100
100
#DDF1D4
oklch(93.6% 0.044 135.8)
-
Step 200
200
#C0E7AF
oklch(88.6% 0.085 136.3)
-
Step 300
300 (this color)
#99DF78
oklch(83.4% 0.153 136.4)
-
Step 400
400
#59BC00
oklch(70.7% 0.212 136.4)
-
Step 500
500
#4CA100
oklch(63% 0.189 136.3)
-
Step 600
600
#3F8800
oklch(55.7% 0.167 136.3)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#295E00
oklch(42.8% 0.128 136.5)
-
Step 900
900
#214E00
oklch(37.7% 0.113 136.4)
-
Step 950
950
#112F00
oklch(27.1% 0.081 136.5)
#99DF78 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) | #E5D170 | 0.098 |
| Deuteranopia (no green cones) | #DBCB7E | 0.097 |
| Tritanopia (no blue cones) | #97D8C7 | 0.109 |
| Achromatopsia (no color) | #CDCDCD | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DF78
#99DF78
oklch(83.4% 0.153 136.4)
- #E9AFFF
#E9AFFF
oklch(83.4% 0.125 316.5)
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 #99DF78, closest first.
No curated palette has a color within ΔE 0.04 of #99DF78.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.040
- Pale Olive Green #B1D27B ΔE 0.044
- Hospital Green #9BE5AA ΔE 0.058
- Kiwi Green #8EE53F ΔE 0.059
- Light Moss Green #A6C875 ΔE 0.062
- Light Grey Green #B7E1A1 ΔE 0.064
- Yellow Green #9ACD32 ΔE 0.065
- Pale Olive #B9CC81 ΔE 0.066
Use #99DF78 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.