#199E1F
Closest named color: Grass Green (#3F9B0B). oklch(60.9% 0.194 143.1), rgb(25, 158, 31).
Aa
Black text reads best on this color (5.95:1).
About this color
#199E1F is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.194 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.018 away. Black text reads best on it, at 5.95:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.194) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #199E1F |
| RGB | rgb(25, 158, 31) |
| HSL | hsl(123, 73%, 36%) |
| OKLCH | oklch(60.9% 0.194 143.1) |
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 #199E1F | 3.52:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #199E1F | 5.95:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #199E1F text on white | 3.52:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #199E1F text on black | 5.95:1 | AA | Lc -39.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C5E3C3
oklch(88.5% 0.054 143.4)
-
Step 300
300
#9CD199
oklch(80.9% 0.095 143.3)
-
Step 400
400
#61B85E
oklch(70.7% 0.152 143.1)
-
Step 500
500 (this color)
#199E1F
oklch(60.9% 0.194 143.1)
-
Step 600
600
#008C0E
oklch(55.5% 0.185 143.1)
-
Step 700
700
#00760A
oklch(49.1% 0.164 143.1)
-
Step 800
800
#006107
oklch(42.7% 0.142 143.1)
-
Step 900
900
#005105
oklch(37.7% 0.126 143.2)
-
Step 950
950
#073007
oklch(27.1% 0.081 143)
#199E1F 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) | #A18E00 | 0.138 |
| Deuteranopia (no green cones) | #94852E | 0.138 |
| Tritanopia (no blue cones) | #009987 | 0.126 |
| Achromatopsia (no color) | #888888 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #199E1F
#199E1F
oklch(60.9% 0.194 143.1)
- #B851C4
#B851C4
oklch(61% 0.193 323.4)
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 #199E1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.018
- Grassy Green #419C03 ΔE 0.019
- Irish Green #019529 ΔE 0.030
- True Green #089404 ΔE 0.031
- Kelly Green #02AB2E ΔE 0.037
- Kelley Green #009337 ΔE 0.042
- Emerald Green #028F1E ΔE 0.046
- Medium Green #39AD48 ΔE 0.055
Use #199E1F 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.