#588B45

Closest named color: Fern Green (#548D44). oklch(58.3% 0.115 137.8), rgb(88, 139, 69).

Black text reads best on this color (5.19:1).

About this color

#588B45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.115 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.007 away. Black text reads best on it, at 5.19:1.

Hue family	Greens
Lightness	medium-dark (58%)
Chroma	moderately saturated (0.115)
Temperature	in between
Nearest name	Fern Green (#548D44)
Black text	5.19:1
White text	4.04:1

Values

HEX	#588B45
RGB	rgb(88, 139, 69)
HSL	hsl(104, 34%, 41%)
OKLCH	oklch(58.3% 0.115 137.8)

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 #588B45	4.04:1	AA large text	Lc -73.0	Content text, not long reading
Black text on #588B45	5.19:1	AA	Lc 36.5	Non-text elements, placeholder text
#588B45 text on white	4.04:1	AA large text	Lc 67.5	Content text, not long reading
#588B45 text on black	5.19:1	AA	Lc -34.1	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

#F3F7F2

oklch(97.2% 0.008 139.4)
Step 100
100

#E5ECE3

oklch(93.5% 0.014 138.7)
Step 200
200

#D0DECC

oklch(88.5% 0.029 138.7)
Step 300
300

#B1C9A9

oklch(80.9% 0.051 137.9)
Step 400
400

#88AD7B

oklch(70.7% 0.081 137.7)
Step 500
500

#699858

oklch(63% 0.105 137.8)
Step 600
600 (this color)

#588B45

oklch(58.3% 0.115 137.8)
Step 700
700

#416E2F

oklch(49% 0.106 137.6)
Step 800
800

#365A28

oklch(42.7% 0.088 137.6)
Step 900
900

#2F4A25

oklch(37.7% 0.068 137.7)
Step 950
950

#1C2B16

oklch(26.9% 0.042 137.2)

Export this scale for Tailwind in the Tailwind colors tool

#588B45 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)	#8F813F	0.076
Deuteranopia (no green cones)	#887D4A	0.076
Tritanopia (no blue cones)	#56877B	0.079
Achromatopsia (no color)	#7E7E7E	0.115