#99CF66
Closest named color: Light Moss Green (#A6C875). oklch(79.4% 0.147 131.5), rgb(153, 207, 102).
Aa
Black text reads best on this color (11.47:1).
About this color
#99CF66 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.147 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.034 away. Black text reads best on it, at 11.47:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 11.47:1 |
| White text | 1.83:1 |
Values
| HEX | #99CF66 |
| RGB | rgb(153, 207, 102) |
| HSL | hsl(91, 52%, 61%) |
| OKLCH | oklch(79.4% 0.147 131.5) |
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 #99CF66 | 1.83:1 | Fails | Lc -38.3 | Non-text elements, placeholder text |
| Black text on #99CF66 | 11.47:1 | AAA | Lc 69.7 | Content text, not long reading |
| #99CF66 text on white | 1.83:1 | Fails | Lc 34.2 | Non-text elements, placeholder text |
| #99CF66 text on black | 11.47:1 | AAA | Lc -68.4 | 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
#F1F8EB
oklch(97% 0.019 130.2)
-
Step 100
100
#E0F0D3
oklch(93.6% 0.042 130.9)
-
Step 200
200
#C6E5AD
oklch(88.5% 0.081 131.5)
-
Step 300
300 (this color)
#99CF66
oklch(79.4% 0.147 131.5)
-
Step 400
400
#72B700
oklch(70.6% 0.194 131.4)
-
Step 500
500
#619D00
oklch(63% 0.173 131.4)
-
Step 600
600
#518400
oklch(55.5% 0.153 131.4)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2C4C00
oklch(37.7% 0.104 131.6)
-
Step 950
950
#182D00
oklch(26.9% 0.074 131.6)
#99CF66 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) | #D7C25D | 0.084 |
| Deuteranopia (no green cones) | #CFBE6D | 0.084 |
| Tritanopia (no blue cones) | #9BC8B7 | 0.111 |
| Achromatopsia (no color) | #BFBFBF | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CF66
#99CF66
oklch(79.4% 0.147 131.5)
- #DAA0FF
#DAA0FF
oklch(79.4% 0.144 311.4)
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 #99CF66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.034
- Yellow Green #9ACD32 ΔE 0.040
- Pale Olive Green #B1D27B ΔE 0.040
- Light Olive Green #A4BE5C ΔE 0.045
- Light Olive #ACBF69 ΔE 0.049
- Pea #A4BF20 ΔE 0.054
- Tan Green #A9BE70 ΔE 0.054
- Greenish Tan #BCCB7A ΔE 0.054
Use #99CF66 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.