#399123
Closest named color: Irish Green (#019529). oklch(58.1% 0.167 140.2), rgb(57, 145, 35).
Aa
Black text reads best on this color (5.24:1).
About this color
#399123 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.167 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.021 away. Black text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #399123 |
| RGB | rgb(57, 145, 35) |
| HSL | hsl(108, 61%, 35%) |
| OKLCH | oklch(58.1% 0.167 140.2) |
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 #399123 | 4.00:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #399123 | 5.24:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #399123 text on white | 4.00:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #399123 text on black | 5.24:1 | AA | Lc -34.7 | 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 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE0C7
oklch(88.4% 0.041 140.7)
-
Step 300
300
#A7CD9F
oklch(80.9% 0.075 140.2)
-
Step 400
400
#77B36A
oklch(70.8% 0.12 140.1)
-
Step 500
500
#509F3F
oklch(63.1% 0.154 140.2)
-
Step 600
600 (this color)
#399123
oklch(58.1% 0.167 140.2)
-
Step 700
700
#227406
oklch(49% 0.155 140.1)
-
Step 800
800
#1F5F0D
oklch(42.8% 0.129 140.1)
-
Step 900
900
#204E15
oklch(37.8% 0.1 140)
-
Step 950
950
#142E0E
oklch(27.1% 0.064 140)
#399123 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) | #95840D | 0.112 |
| Deuteranopia (no green cones) | #8A7C2F | 0.113 |
| Tritanopia (no blue cones) | #2D8C7C | 0.112 |
| Achromatopsia (no color) | #7F7F7F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399123
#399123
oklch(58.1% 0.167 140.2)
- #A553B7
#A553B7
oklch(58.1% 0.168 320.1)
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 #399123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.021
- Kelley Green #009337 ΔE 0.022
- Forest Green #228B22 ΔE 0.025
- Emerald Green #028F1E ΔE 0.025
- True Green #089404 ΔE 0.029
- Sap Green #5C8B15 ΔE 0.033
- Grass Green #3F9B0B ΔE 0.034
- Grassy Green #419C03 ΔE 0.038
Use #399123 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.