#99DD78
Closest named color: Pale Olive Green (#B1D27B). oklch(82.9% 0.15 136.2), rgb(153, 221, 120).
Aa
Black text reads best on this color (12.96:1).
About this color
#99DD78 is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.150 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.040 away. Black text reads best on it, at 12.96:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #99DD78 |
| RGB | rgb(153, 221, 120) |
| HSL | hsl(100, 60%, 67%) |
| OKLCH | oklch(82.9% 0.15 136.2) |
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 #99DD78 | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #99DD78 | 12.96:1 | AAA | Lc 76.2 | Fine for body text |
| #99DD78 text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #99DD78 text on black | 12.96:1 | AAA | Lc -75.3 | 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
#F0F9EC
oklch(97.2% 0.02 135.8)
-
Step 100
100
#DDF1D5
oklch(93.6% 0.043 136.7)
-
Step 200
200
#C1E6B0
oklch(88.5% 0.082 135.9)
-
Step 300
300 (this color)
#99DD78
oklch(82.9% 0.15 136.2)
-
Step 400
400
#5BBC00
oklch(70.8% 0.211 136.1)
-
Step 500
500
#4DA100
oklch(63.1% 0.188 136.1)
-
Step 600
600
#3F8700
oklch(55.5% 0.166 136.2)
-
Step 700
700
#347200
oklch(49.1% 0.147 136.3)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#112F00
oklch(27.1% 0.081 136.5)
#99DD78 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) | #E3CF70 | 0.096 |
| Deuteranopia (no green cones) | #D9C97E | 0.096 |
| Tritanopia (no blue cones) | #97D6C5 | 0.106 |
| Achromatopsia (no color) | #CBCBCB | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DD78
#99DD78
oklch(82.9% 0.15 136.2)
- #E8ADFF
#E8ADFF
oklch(83% 0.128 316.2)
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 #99DD78, closest first.
No curated palette has a color within ΔE 0.04 of #99DD78.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.040
- Light Green #90EE90 ΔE 0.045
- Light Moss Green #A6C875 ΔE 0.057
- Hospital Green #9BE5AA ΔE 0.058
- Pale Olive #B9CC81 ΔE 0.062
- Yellow Green #9ACD32 ΔE 0.062
- Greenish Tan #BCCB7A ΔE 0.062
- Kiwi Green #8EE53F ΔE 0.062
Use #99DD78 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.