#99CA63
Closest named color: Light Moss Green (#A6C875). oklch(78.2% 0.143 130.1), rgb(153, 202, 99).
Aa
Black text reads best on this color (10.98:1).
About this color
#99CA63 is a light, vivid green. In OKLCH its lightness is 78%, its chroma 0.143 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Moss Green (#A6C875), ΔE 0.029 away. Black text reads best on it, at 10.98:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Moss Green (#A6C875) |
| Black text | 10.98:1 |
| White text | 1.91:1 |
Values
| HEX | #99CA63 |
| RGB | rgb(153, 202, 99) |
| HSL | hsl(89, 49%, 59%) |
| OKLCH | oklch(78.2% 0.143 130.1) |
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 #99CA63 | 1.91:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #99CA63 | 10.98:1 | AAA | Lc 67.5 | Content text, not long reading |
| #99CA63 text on white | 1.91:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #99CA63 text on black | 10.98:1 | AAA | Lc -66.1 | 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
#E1F0D3
oklch(93.6% 0.042 129.6)
-
Step 200
200
#C8E4AD
oklch(88.4% 0.079 129.8)
-
Step 300
300 (this color)
#99CA63
oklch(78.2% 0.143 130.1)
-
Step 400
400
#77B600
oklch(70.6% 0.19 130.1)
-
Step 500
500
#659C00
oklch(63% 0.17 130.2)
-
Step 600
600
#558300
oklch(55.5% 0.149 129.9)
-
Step 700
700
#466E00
oklch(48.9% 0.132 130.2)
-
Step 800
800
#395B00
oklch(42.8% 0.116 130.2)
-
Step 900
900
#2F4B00
oklch(37.6% 0.101 129.8)
-
Step 950
950
#1A2D00
oklch(27% 0.073 130.1)
#99CA63 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) | #D2BE5A | 0.078 |
| Deuteranopia (no green cones) | #CBBA69 | 0.079 |
| Tritanopia (no blue cones) | #9CC3B2 | 0.108 |
| Achromatopsia (no color) | #BBBBBB | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CA63
#99CA63
oklch(78.2% 0.143 130.1)
- #D49DFC
#D49DFC
oklch(78.2% 0.143 310)
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 #99CA63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Moss Green #A6C875 ΔE 0.029
- Light Olive Green #A4BE5C ΔE 0.032
- Light Olive #ACBF69 ΔE 0.040
- Yellow Green #9ACD32 ΔE 0.042
- Tan Green #A9BE70 ΔE 0.045
- Pale Olive Green #B1D27B ΔE 0.046
- Pea #A4BF20 ΔE 0.047
- Greenish Tan #BCCB7A ΔE 0.055
Use #99CA63 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.