#99BF63
Closest named color: Light Olive Green (#A4BE5C). oklch(75.6% 0.127 127.6), rgb(153, 191, 99).
Aa
Black text reads best on this color (9.98:1).
About this color
#99BF63 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.127 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.014 away. Black text reads best on it, at 9.98:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.98:1 |
| White text | 2.10:1 |
Values
| HEX | #99BF63 |
| RGB | rgb(153, 191, 99) |
| HSL | hsl(85, 42%, 57%) |
| OKLCH | oklch(75.6% 0.127 127.6) |
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 #99BF63 | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #99BF63 | 9.98:1 | AAA | Lc 62.9 | Content text, not long reading |
| #99BF63 text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #99BF63 text on black | 9.98:1 | AAA | Lc -61.2 | 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 400.
-
Step 50
50
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E5EDDD
oklch(93.6% 0.023 128.7)
-
Step 200
200
#D1DFC0
oklch(88.5% 0.044 127.1)
-
Step 300
300
#B2CB93
oklch(80.9% 0.08 127.6)
-
Step 400
400 (this color)
#99BF63
oklch(75.6% 0.127 127.6)
-
Step 500
500
#6D9A05
oklch(63% 0.162 127.6)
-
Step 600
600
#5B8200
oklch(55.6% 0.145 127.6)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3D5900
oklch(42.6% 0.111 127.7)
-
Step 900
900
#334B00
oklch(37.9% 0.098 127.6)
-
Step 950
950
#1D2C02
oklch(27% 0.067 127.5)
#99BF63 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) | #C7B45B | 0.065 |
| Deuteranopia (no green cones) | #C2B268 | 0.066 |
| Tritanopia (no blue cones) | #9DB8AA | 0.100 |
| Achromatopsia (no color) | #B3B3B3 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BF63
#99BF63
oklch(75.6% 0.127 127.6)
- #C699EE
#C699EE
oklch(75.6% 0.128 307.9)
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 #99BF63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.014
- Light Olive #ACBF69 ΔE 0.027
- Tan Green #A9BE70 ΔE 0.028
- Light Moss Green #A6C875 ΔE 0.034
- Soft Green #6FC276 ΔE 0.045
- Lichen #8FB67B ΔE 0.045
- Pea #A4BF20 ΔE 0.048
- Sage Green #88B378 ΔE 0.052
Use #99BF63 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.