#277E00
Closest named color: Tree Green (#2A7E19). oklch(52% 0.166 139.6), rgb(39, 126, 0).
Aa
White text reads best on this color (5.15:1).
About this color
#277E00 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.166 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.011 away. White text reads best on it, at 5.15:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #277E00 |
| RGB | rgb(39, 126, 0) |
| HSL | hsl(101, 100%, 25%) |
| OKLCH | oklch(52% 0.166 139.6) |
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 #277E00 | 5.15:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #277E00 | 4.07:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #277E00 text on white | 5.15:1 | AA | Lc 75.0 | Fine for body text |
| #277E00 text on black | 4.07:1 | AA large text | Lc -26.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C5
oklch(88.5% 0.045 140.1)
-
Step 300
300
#A6CE9C
oklch(81% 0.081 139.4)
-
Step 400
400
#74B464
oklch(70.7% 0.129 139.5)
-
Step 500
500
#4DA036
oklch(63.1% 0.164 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700 (this color)
#277E00
oklch(52% 0.166 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#1D4E0E
oklch(37.6% 0.107 139.5)
-
Step 950
950
#122E0B
oklch(27% 0.068 139.8)
#277E00 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) | #827100 | 0.113 |
| Deuteranopia (no green cones) | #786B17 | 0.110 |
| Tritanopia (no blue cones) | #19796A | 0.114 |
| Achromatopsia (no color) | #6D6D6D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277E00
#277E00
oklch(52% 0.166 139.6)
- #9141A4
#9141A4
oklch(52.1% 0.167 319.5)
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 #277E00, closest first.
No curated palette has a color within ΔE 0.04 of #277E00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.011
- Green #008000 ΔE 0.014
- Dark Grass Green #388004 ΔE 0.015
- Forest Green #228B22 ΔE 0.039
- Jungle Green #048243 ΔE 0.046
- Emerald Green #028F1E ΔE 0.049
- Kelley Green #009337 ΔE 0.062
- True Green #089404 ΔE 0.065
Use #277E00 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.