#99B577
Closest named color: Lichen (#8FB67B). oklch(73.7% 0.09 128.2), rgb(153, 181, 119).
Aa
Black text reads best on this color (9.23:1).
About this color
#99B577 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.090 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lichen (#8FB67B), ΔE 0.012 away. Black text reads best on it, at 9.23:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Lichen (#8FB67B) |
| Black text | 9.23:1 |
| White text | 2.27:1 |
Values
| HEX | #99B577 |
| RGB | rgb(153, 181, 119) |
| HSL | hsl(87, 30%, 59%) |
| OKLCH | oklch(73.7% 0.09 128.2) |
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 #99B577 | 2.27:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #99B577 | 9.23:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #99B577 text on white | 2.27:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #99B577 text on black | 9.23:1 | AAA | Lc -57.3 | Large or bold text, headings |
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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D3DDC8
oklch(88.4% 0.03 127.9)
-
Step 300
300
#B6C8A1
oklch(80.9% 0.057 127.8)
-
Step 400
400 (this color)
#99B577
oklch(73.7% 0.09 128.2)
-
Step 500
500
#759746
oklch(63.2% 0.116 128.2)
-
Step 600
600
#5D8125
oklch(55.7% 0.126 128.5)
-
Step 700
700
#4D6D17
oklch(49.2% 0.117 128.3)
-
Step 800
800
#3F5816
oklch(42.6% 0.096 128)
-
Step 900
900
#36491A
oklch(37.8% 0.075 128)
-
Step 950
950
#1F2B10
oklch(27% 0.048 129)
#99B577 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) | #BBAD73 | 0.049 |
| Deuteranopia (no green cones) | #B7AB7A | 0.049 |
| Tritanopia (no blue cones) | #9CB0A5 | 0.069 |
| Achromatopsia (no color) | #ACACAC | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B577
#99B577
oklch(73.7% 0.09 128.2)
- #BA9BD6
#BA9BD6
oklch(73.8% 0.09 308.2)
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 #99B577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lichen #8FB67B ΔE 0.012
- Sage Green #88B378 ΔE 0.022
- Dark Sea Green #8FBC8F ΔE 0.030
- Sage #87AE73 ΔE 0.032
- Tan Green #A9BE70 ΔE 0.036
- Faded Green #7BB274 ΔE 0.039
- Muted Teal #90B494 ΔE 0.039
- Light Olive #ACBF69 ΔE 0.044
Use #99B577 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.